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1142041320431 = 11809128333669
BaseRepresentation
bin10000100111100110111…
…101111001101111101111
311001011210211020010102122
4100213212331321233233
5122202400034223211
62232351352543155
7145336564024604
oct20474675715757
94034724203378
101142041320431
11400378609310
121654033b1abb
1383903a4173b
143d3bcc086ab
151ea917ad6db
hex109e6f79bef

1142041320431 has 8 divisors (see below), whose sum is σ = 1247403272400. Its totient is φ = 1036936037440.

The previous prime is 1142041320389. The next prime is 1142041320443. The reversal of 1142041320431 is 1340231402411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142041320431 - 234 = 1124861451247 is a prime.

It is a super-2 number, since 2×11420413204312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142041320431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142041320331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64157936 + ... + 64175733.

It is an arithmetic number, because the mean of its divisors is an integer number (155925409050).

Almost surely, 21142041320431 is an apocalyptic number.

1142041320431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1142041320431 is a deficient number, since it is larger than the sum of its proper divisors (105361951969).

1142041320431 is a wasteful number, since it uses less digits than its factorization.

1142041320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128334489.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1142041320431 its reverse (1340231402411), we get a palindrome (2482272722842).

The spelling of 1142041320431 in words is "one trillion, one hundred forty-two billion, forty-one million, three hundred twenty thousand, four hundred thirty-one".

Divisors: 1 11 809 8899 128333669 1411670359 103821938221 1142041320431